package com.dc.management.servlets;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.dc.management.pojo.TbUser;
import com.dc.management.services.UserService;

public class LoginServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public LoginServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request,response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		
		System.out.println("LoginServlet .....");

		String loginname = request.getParameter("loginname");
		String password = request.getParameter("password");
		TbUser user = new TbUser();
		user.setUser_name(loginname);
		user.setPassword(password);
		UserService userService = new UserService();
		TbUser result = userService.isLogin(user);
		if(result == null){
			System.out.println("用户不纯在 .....");
			response.sendRedirect("index.jsp");
		}else{
			HttpSession session = request.getSession();
			session.setAttribute("user", result);
			String oldPath = this.getClass().getClassLoader().getResource("/").toString();
			String path 
				= oldPath.substring(oldPath.indexOf("/")+1,oldPath.lastIndexOf("WEB-INF"));
			path = path + "data/";
			userService.configureUserInfo(result.getUser_id(), path);
			request.getRequestDispatcher("/forum.jsp").forward(request, response);
		}
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occure
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
